Friesack (; also Friesack/Mark) is a town in the Havelland district, in Brandenburg, Germany. It is situated northeast of Rathenow, and southwest of Neuruppin. It is known for its Mesolithic archaeological site. Film shot in Friesack 1923 : Die Schlucht des Todes (The Ravine of Death) directed by Luciano Albertini and Albert-Francis Bertoni Demography Sons and daughters of the town Emil Schallopp (1843-1919), chess master and writer Karsten Wettberg (born 1941), football coach Adalbert von Bredow (1814-1890), Prussian general References Localities in Havelland